TY - BOOK AU - Opler,Morris Edward TI - Social aspects of technical assistance in operation,: a report of a conference held jointly by the United Nations and Unesco T2 - Tensions and technology series AV - HC 60 .O65 1954 PY - 1954///] CY - [Paris] PB - UNESCO KW - Technical assistance KW - Anthropological aspects N1 - Bibliography: p. 76-79 ER -